25168905

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 45439056

約数和(自身を除く): 20270151

約数列:

[1, 3, 5, 9, 15, 45, 53, 61, 159, 173, 183, 265, 305, 477, 519, 549, 795, 865, 915, 1557, 2385, 2595, 2745, 3233, 7785, 9169, 9699, 10553, 16165, 27507, 29097, 31659, 45845, 48495, 52765, 82521, 94977, 137535, 145485, 158295, 412605, 474885, 559309, 1677927, 2796545, 5033781, 8389635, 25168905]

約数ペア:

[(1, 25168905), (3, 8389635), (5, 5033781), (9, 2796545), (15, 1677927), (45, 559309), (53, 474885), (61, 412605), (159, 158295), (173, 145485), (183, 137535), (265, 94977), (305, 82521), (477, 52765), (519, 48495), (549, 45845), (795, 31659), (865, 29097), (915, 27507), (1557, 16165), (2385, 10553), (2595, 9699), (2745, 9169), (3233, 7785)]